http://www.flashcardexchange.com/tag/refraction www.flashcardexchange.com: refraction Flashcards en-us Mon, 13 Oct 2008 02:16:37 PDT Mon, 13 Oct 2008 02:16:37 PDT support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/606493 commonly forgotten words Fri, 18 Apr 2008 12:00:00 PDT http://www.flashcardexchange.com/flashcards/view/606493 http://www.flashcardexchange.com/flashcards/view/579526 science Thu, 21 Feb 2008 12:00:00 PST http://www.flashcardexchange.com/flashcards/view/579526 http://www.flashcardexchange.com/flashcards/view/532534 Investigating God's World, Ch. 3, pp. 102-121 Thu, 08 Nov 2007 12:00:00 PST http://www.flashcardexchange.com/flashcards/view/532534